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Standard VIII
Physics
Heating Effect of Electric Current
In an electri...
Question
In an electric field, potential at a point with position vector \overrightarrow r is given as V=(343/mod \overrightarrow{r.} The electric field at \overrightarrow r=3i+2j+6k is
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Q.
In an electric filed, potential at a point with position vector
→
r
is given by
v
=
343
|
→
r
|
. The electric field at
→
r
=
3
→
i
+
2
→
j
+
6
→
k
is
Q.
In an electric field the potential at a point is given by the following relation
V
=
343
r
where r is distance from the origin. The electric field at
r
=
3
^
i
+
2
^
j
+
6
^
k
is:
Q.
Consider a thin spherical shell of radius
R
with its centre at origin, carrying a uniform positive charge. The variation of electric field
→
E
(
r
)
and electric potential
V
(
r
)
with radial distance
r
from the centre is given by
Q.
A point charge
50
μ
C
is located in the
XY-
plane at the point of position vector
→
r
0
=
2
^
i
+
3
^
j
. Find the electric field (
V/m
) due to this point charge at the point of position vector
→
r
=
8
^
i
−
5
^
j
Q.
The electric potential at a point
(
x
,
y
,
z
)
is given by
V
=
−
x
2
y
−
x
z
3
+
4
. The electric field
→
E
at that point is
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